import { HttpClient } from '@angular/common/http';
import { BehaviorSubject, Observable } from 'rxjs';
import { FileItem, FileValidationConfig, ValidationResult } from '../models/file-item.model';
import { FileValidationService } from './file-validation.service';
import { FilePreviewService } from './file-preview.service';
import * as i0 from "@angular/core";
export declare class BatchUploadService {
    private http;
    private validationService;
    private previewService;
    uploadQueue: BehaviorSubject<FileItem[]>;
    uploadQueue$: Observable<FileItem[]>;
    uploadQueueData: any;
    private uploadCancellationTokens;
    uploadUrl: string;
    private validationConfig;
    constructor(http: HttpClient, validationService: FileValidationService, previewService: FilePreviewService);
    /**
     * Add files to the upload queue
     */
    addFiles(files: File[]): ValidationResult;
    /**
     * Update the validation configuration
     */
    setValidationConfig(config: FileValidationConfig): void;
    /**
     * Get the current validation configuration
     */
    getValidationConfig(): FileValidationConfig;
    /**
     * Upload a single file
     */
    uploadFile(fileId: string): Observable<FileItem>;
    /**
     * Upload all pending files
     */
    uploadAllFiles(): Observable<FileItem[]>;
    /**
     * Cancel a file upload
     */
    cancelUpload(fileId: string): void;
    /**
     * Cancel all uploads
     */
    cancelAllUploads(): void;
    /**
     * Remove a file from the queue
     */
    removeFile(fileId: string): void;
    /**
     * Remove all files from the queue
     */
    clearQueue(): void;
    /**
     * Retry a failed upload
     */
    retryUpload(fileId: string): Observable<FileItem>;
    /**
     * Get overall upload progress
     */
    getTotalProgress(): number;
    /**
     * Check if all files are uploaded
     */
    areAllFilesUploaded(): boolean;
    /**
     * Helper to get a file item by ID
     */
    private getFileItemById;
    /**
     * Helper to update a file item
     */
    private updateFileItem;
    /**
     * Extract error message from HTTP error
     */
    private getErrorMessage;
    static ɵfac: i0.ɵɵFactoryDeclaration<BatchUploadService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<BatchUploadService>;
}